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decuslib20-04
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decus/20-0108/aedith.mac
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TITLE AEDIT
SUBTTL THE ASCII EDIT PACKAGE (SEGMENTED VERSION)
TWOSEG 400000
RELOC 400000
;
; THE ASCII EDIT PACKAGE
;
; DA GORKA 24-MAR-76
;
P=17 ; THE PDL USED
OPDEF CALL[PUSHJ P,] ; CALL OP
OPDEF RET[POPJ P,0] ; THE RETURN OP
;
; ADIT% - ENTER THE ASCII EDIT PACKAGE WITH INITIALIZATION
;
ADIT%:: MOVEM 1,EDIT ; SAVE THE EDIT PACKET ADDRESS
CALL SAVE
HRR 2,0(1) ; GET THE DATA AREA ADDRESS
HRLI 2,(POINT 7,) ; A BYTE POINTER
MOVEM 2,1(1) ; SAVE THE CURRENT BYTE POINTER
MOVEM 2,3(1) ; AND THE CURRENT LINE START
HLRZ 3,0(1) ; GET THE WC THIS IMAGE
IMULI 3,5 ; CVT TO CHARS
MOVEM 3,2(1) ; SAVE THE CC
HLRZ 2,0(1) ; THE WC THIS IMAGE
MOVE 1,0(1) ; GET THE IMAGE ADDRESS
HRLS 1 ; FOR THE BLT ACW
ADDI 2,0(1) ; THE END ADDRESS FOR THE BT
MOVE 3,[ASCIZ " "]
MOVEM 3,0(1) ; CVT TO SPACES
AOJA 1,.+1
BLT 1,-1(2)
RET ; RETURN
;
; AMSG% - COPY THE STRING UNTIL THE FIRST NULL
;
AMSG%:: CALL SAVE ; SAVE 1 THROUGH 5
HRLI 1,(POINT 7,) ; A BYTE POINTER
MOVE 2,1 ; FOR THE ACHAR% CALL
ILDB 1,2 ; GET THE CHAR
JUMPE 1,AMSG ; DONE ? YES,AMSG
CALL ACHAR% ; OUTPUT THE CHARACTER
JRST .-3 ; FOR ALL
AMSG: RET ; $E
;
; APOS% - POSITION TO THE COLUMN SPECIFIED
;
APOS%:: CALL SAVE ; SAVE THE REGISTERS
IDIVI 1,5 ; 1 = # OF WORDS, 2 = CHARS
HRRZ 4,3(3) ; GET CURRENT LINE ADDRESS
ADDI 4,0(1) ; 4 = CORRECT WORD
HLL 4,3(3) ; GET THE BYTE DESCRIPTOR
SKIPE 2 ; A WORD BOUNDARY ?
IBP 4 ; NO - MOVE IT RIGHT
SOJG 2,.-1
MOVEM 4,1(3) ; SET US THERE
RET
;
; AFD1% - EDIT IN THE ASCII IN 1
;
AFD1%:: CALL SAVE ; SAVE EM
MOVE 2,[POINT 7,-1(P)]
AFD1: MOVEI 4,5 ; # OF CHARACTERS PER WORD IN ASCII
AFD10: ILDB 1,2
JUMPE 1,AFD11 ; NULL ? YES,IGNORE
CALL ACHAR% ; PUT THE CHAR AWAY
AFD11: SOJG 4,AFD10 ; REPEAT FOR ALL
RET
;
; AFD2% - COPY THE 2 REGISTERS OF ASCII
;
AFD2%:: CALL SAVE
MOVE 2,[POINT 7,-2(P)]
CALL AFD1 ; COPY THIS WORD (AC1)
MOVE 2,[POINT 7,-2(P)]
JRST AFD1 ; CALL AND RETURN
;
; ATIME% - ENTER THE CURRENT TIME
;
ATIME%:: CALL SAVE ; SAVE THE USER
SKIPN 1 ; ANY TIME PASSED ?
MSTIME 1, ; NO - GET SOME
IDIVI 1,^D1000 ; CVT TO SECONDS
IDIVI 1,^D3600 ; 1 = HOURS
PUSH P,2 ; SAVE MM:SS
MOVE 2,["0",,2] ; FIELD CHAR, FIELD WIDTH
CALL ADECF% ; ENTER IT AS FIXED DECIMAL
MOVEI 1,":" ; THE COLON
CALL ACHAR%
POP P,1
IDIVI 1,^D60 ; 2 = SECONDS
PUSH P,2
MOVE 2,["0",,2]
CALL ADECF%
MOVEI 1,":" ; THE ":" FOR MM
CALL ACHAR%
POP P,1
JRST ADECF% ; CALL AND LEAVE
;
; ADAY% - ENTER THE CURRENT DAY
;
ADAY%:: CALL SAVE ; SAVE THE WORLD
DATE 1, ; GET THE DATE IN DEC'S FORMAT
IDIVI 1,^D12*^D31 ; 1 = THE YEAR
ADDI 1,^D64 ; ADD ON THE BASE DATE
PUSH P,1
IDIVI 2,^D31 ; 2 = MONTH, 3 = DAY-1
ADDI 3,1 ; OFF BY ONE
PUSH P,3 ; SAVE THE DAY
MOVE 1,2 ; THE MM
MOVE 2,["0",,2] ; "0" AS FIELD, 2 WIDE
CALL ADECF% ; ENTER THE MONTH
MOVEI 1,":" ; MM:DD:YY FORMAT
CALL ACHAR%
POP P,1 ; GET DD
CALL ADECF%
MOVEI 1,":"
CALL ACHAR%
POP P,1 ; THE YY
JRST ADECF%
;
; ADECV% - ENTER IN A NUMBER IN VARIABLE FORM
;
ADECV%:: CALL SAVE ; SAVE OR REGS
MOVEM P,4(3) ; SAVE THE CURRENT P
JRST ADECF2
ADECV: IDIVI 1,12 ; CVT TO DECIMAL ONLY
PUSH P,2
JUMPN 1,.-2 ; MORE TO GO ? YES,.-2
SKIPE 1,5 ; A FLAG ?
CALL ACHAR%
POP P,1 ; UNWIND THE STACK
ADDI 1,"0" ; TO ASCII
CALL ACHAR% ; INSERT THE CHAR
CAME P,4(3) ; ALL DONE ?
JRST .-4 ; NO - REPEAT
RET
;
; ASIX% - EDIT OUT A SIXBIT QUANTITY - NO BLANKS !
;
ASIX%:: CALL SAVE ; [01] SAVE REGISTERS
MOVEI 3,6 ; ONLY DO SIX CHARACTERS
MOVE 2,[POINT 6,-1(P)]
ASIX1: ILDB 1,2 ; GET THE SIXBIT CHAR
JUMPE 1,ASIX2 ; IGNORE NULLS
CAIL 1,'A' ; ALPHA ?
CAILE 1,'Z'
TRCA 1,40
TRC 1,140
CALL ACHAR% ; EDIT INTO BUFFER
ASIX2: SOJG 3,ASIX1 ; REPEAT AS NEEDED
RET ; AND RETURN
;
; ADECF% - ENTER A NUMBER IN THE FIELD SPECIFIED
;
ADECF%:: CALL SAVE ; ET ALL
HLRZ 5,2 ; GET POSSIBLE FIELD CHAR
SKIPN 5 ; ANY FIELD CHAR AT ALL ?
MOVEI 5," " ; NO - ASSUME A SPACE
MOVEM P,4(3) ; SAVE THE CURRENT PDL
MOVMS 1 ; POSITIVE
SKIPGE -1(P) ; HAVE WE GOT A SIGN ?
JRST ADECF0 ; YES -- LESS THIS CHAR
CAML 1,DTAB(2) ; AN OVERFLOW CONDITION ?
PUSH P,["*"] ; SET THE OVERFLOW FLAG
CAML 1,DTAB-1(2) ; IN THIS RANGE ?
JRST ADECF1 ; NO - EXIT
PUSH P,5 ; PUSH THE FIELD CHAR
ADECF0: SOJGE 2,.-3 ; REPEAT FOR ALL
ADECF1: JUMPN 1,ADECF ; NUMBER PRESENT ?
POP P,1
JRST ADECF ; YES -- POP OFF EXTRA SPACE
POP P,1 ; POP ALL THE SPACES
CALL ACHAR% ; INTO THE LINE
ADECF: CAME P,4(3) ; ALL DONE ?
JRST .-3 ; NO,.-3
ADECF2: MOVM 1,-1(P) ; GET BACK DATA
SETZ 5,
SKIPGE -1(P)
MOVEI 5,"-"
JRST ADECV
RADIX 10
+ 0 ; FOR THE ZERO ENTRY'S
DTAB: + 1
+ 10
+ 100
+ 1000
+ 10000
+ 100000
+ 1000000
+ 10000000
+ 100000000
+ 1000000000
RADIX 8
;
; AOCTV% - THE OCTAL EDITING PROCEDURES
;
AOCTV%:: CALL SAVE ; SAVE 1-5
AOCTV: CALL AOCT ; COMPUTE SIZE
PUSH P,5 ; SAVE WC
SETZ 1, ; PUT CHAR HERE
LSHC 1,3 ; GET THE DIGIT
ADDI 1,"0" ; CVT TO ASCII
CALL ACHAR% ; INSERT IN BUFFER
SOJG 5,.-4 ; EDIT THEM ALL
POP P,5
RET ; $E
;
; AOCTF% - EDIT IN OCTAL A FIXED LENGTH - RIGHT JUSTIFIED
;
AOCTF%:: CALL SAVE ; SAVE 1-5
CALL AOCT ; COMPUTE THE SIZE
CALL AOCTX ; EDIT THE FIELD
JRST AOCTV+1 ; AND EDIT NUMBER
AOCT: JFFO 1,.+2 ; DETERMINE FIELD LENGTH
SKIPA 2,[+^D11] ; A ZERO - DO 11
IDIVI 2,3 ; 2 = # BLANKS THIS WORD
MOVN 5,2 ; 5 = - BLANKS
IMULI 2,3 ; NOW NORMALIZE
LSH 1,0(2) ; THE INPUT
MOVE 2,1 ; PUT NORMALIZED HERE
ADDI 5,^D12 ; 5 = # OF DIGITS
RET
;
; AOCTL% - EDIT OCTAL LEFT JUSTIFIED IN THE FIELD SPECIFIED
;
AOCTL%:: CALL SAVE ; SAVE 1-5
CALL AOCTV ; EDIT IT IN
CALL AOCTX ; FILL THE FIELD
RET ; AND RETRUN
AOCTX: HRRZ 4,-3(P) ; GET DESIRED FIELD LENGTH
SUBI 4,0(5) ; 4 = # OF CHARS LEFT OVER
HLRZ 1,-3(P) ; GET THE FIELD CHARACTER
SKIPN 1 ; ZERO ? YES,GET A BLANK
MOVEI 1," " ; THIS BLANK
SKIPGE 4 ; FIELD LENGTH EXCEEDED ?
SKIPA 1,["*"] ; YES - USE THIS CHARACTER
CAIA ; AND CHECK FOR THE ZERO
CALL ACHAR% ; EDIT THE CHARACTER
SOJGE 4,.-1 ; REPEAT FOR ALL
RET ; EXIT
;
; AEXIT% - EXIT FROM THE EDIT PACKAGE
;
AEXIT%:: CALL SAVE ; SAVE OUR WORLD
MOVEI 1,15
CALL ACHAR%
MOVEI 1,12 ; A CR/LF SEQUENCE AT THE END
CALL ACHAR%
SETZM 1(3) ; WE ARE NO LONGER ALLOWED
RET
;
; ACHAR% - INSERT A SINGLE CHARACTER
;
ACHAR%:: EXCH 3,EDIT ; GET THE USER PACKET ADDRESS
IDPB 1,1(3) ; SAVE THE CHARACTER
SOSGE 2(3) ; IN BOUNDS ?
CALL AOOPS
CAIE 1,12 ; LF ??
JRST ACHAR ; NO,ACHAR
EXCH 1,1(3) ; GET THE CURRENT BYTE POINTER
MOVEM 1,3(3) ; SET FOR APOS%
EXCH 1,1(3) ; RESTORE BYTE POINTER, CHAR
ACHAR: EXCH 3,EDIT ; AN PUT IT BACK
RET ; - RETURN
SAVE: EXCH 5,0(P) ; SAVE 5 GET $E
PUSH P,4
PUSH P,3
PUSH P,2
PUSH P,1 ; SAVE 1
MOVE 3,EDIT ; PACKET IN USER AREA
PUSHJ P,0(5) ; RETURN AND CALL COROUTINE
POP P,1 ; RESTORE THE REGISTERS
POP P,2
POP P,3
POP P,4
POP P,5
RET
AOOPS: OUTSTR [ASCIZ/?EDIT PACKAGE STORING OUT OF BOUNDS/]
OUTSTR [BYTE (7)15,12]
EXIT 1,
RET
LIT
RELOC 0
EDIT: Z
END